Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE39996 | Auto balancing apparatus for disk drive with guide | — | 2008-01-01 |
| 6452896 | Auto balancing apparatus for disk drive with guide | — | 2002-09-17 |
| 6266311 | Optical disk player | Kye-Yeon Ryu, Ick-Joo Cha | 2001-07-24 |
| 5781370 | Tape cassette holder seperating mechanism of magnetic recording and reproducing apparatus having multiple thread worm for permitting moving of the cassette holder when unpowered | Jeong Don Choi, In Ki Cheon, Hee Y. Park | 1998-07-14 |
| 5682275 | Magnetic recording and reproducing apparatus having a single motor driving device for controlling loading functions | Jeong Don Choi, In Ki Cheon, Hee Y. Park | 1997-10-28 |
| 5486958 | Video cassette tape recorder with single loading motor, actuating plate and fast winding plate | Jeong Don Choi, In Ki Cheon, Hee Y. Park | 1996-01-23 |
| 5472151 | Fast winding device for video cassette tape recorder | Jeong Don Choi, In Ki Cheon, Hee Y. Park | 1995-12-05 |
| 5434726 | Tape running device of video cassette recorder | — | 1995-07-18 |